package com.hk.service.demo.impl;

import com.alibaba.fastjson.annotation.JSONField;
import com.hk.domain.entity.SysUser;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 用来返回UserDetailsService方法返回的信息
 */
@Data
@NoArgsConstructor
//@AllArgsConstructor
public class LoginUser implements UserDetails {

    private SysUser user;

    //存储权限信息
    private List<String> permissions;


    public LoginUser(SysUser user, List<String> permissions) {
        this.user = user;
        this.permissions = permissions;
    }

    //存储Spring Security所需的权限信息
    @JSONField(serialize = false) //忽略序列号到LoginUser对象
    private List<GrantedAuthority> authorities;


    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        if (authorities != null) {
            return authorities;
        }
        authorities = permissions.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList());
        return authorities;
    }

    @Override
    public String getPassword() {
        return user.getPassword();
    }

    @Override
    public String getUsername() {
        return user.getUserName();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }
}